\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Cross-Candidate Communication, Affective Polarization (Feeling Thermometer) and In-Party Candidate Support\label{tab:ccXapftmvc}}
\begin{tabular}{l*{3}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   \\
                &In-Group Affect   &Out-Group Affect   &Difference   \\
                &      b/p   &      b/p   &      b/p   \\
\hline
Candidate Support&            &            &            \\
RCV Comp.       &   -0.062   &   -0.632   &   -0.231   \\
                &  (0.795)   &  (0.259)   &  (0.483)   \\
RCV Comp. + Endorse&   -1.402***&   -0.661   &   -0.480   \\
                &  (0.000)   &  (0.184)   &  (0.108)   \\
Out Therm.      &    0.653   &            &            \\
                &  (0.260)   &            &            \\
RCV Comp. x Out Therm.&    0.321   &            &            \\
                &  (0.712)   &            &            \\
RCV Comp. + Endorse x Out Therm.&    1.948*  &            &            \\
                &  (0.012)   &            &            \\
In Therm.       &            &    1.651** &            \\
                &            &  (0.002)   &            \\
RCV Comp. x In Therm.&            &    0.867   &            \\
                &            &  (0.272)   &            \\
RCV Comp. + Endorse x In Therm.&            &   -0.615   &            \\
                &            &  (0.366)   &            \\
Diff. Therm     &            &            &    0.471   \\
                &            &            &  (0.221)   \\
RCV Comp. x Diff. Therm&            &            &    0.399   \\
                &            &            &  (0.489)   \\
RCV Comp. + Endorse x Diff. Therm&            &            &   -1.113*  \\
                &            &            &  (0.026)   \\
Constant        &    1.789***&    0.764*  &    1.695***\\
                &  (0.000)   &  (0.048)   &  (0.000)   \\
\hline
Psuedo R$^2$    &     0.06   &     0.06   &     0.05   \\
\textit{N}      &     1691   &     1691   &     1691   \\
\hline\hline
\end{tabular}
\end{table}
